he will replace current -- chuck hagel. he will be replacing secretary panetta appeared >> what is the best trained for a policeman? >> the best training you can get to become merely good police officer and understand what it is all about is [indiscernible] you learn to develop sources. you learn how to use intelligence information. you learn how to leverage relationships in the community and that is the key. people in the community trust you. they will tell you things that are happening so that you can intervene. and will tell you have to go about doing it. i have learned the most for my career. >> from a high school dropout to a single mother, more with cathy lanier tonight at 8:00 p.m. on c-span's "q&a." >> next, president obama delivering his second inaugural address following his swearing- in and inauguration ceremony for his second term. he was sworn in by chief justice john roberts. >> please raise your right hand and repeat after me. i, barack hussein obama, do solemnly swear -- >> i, barack hussein obama, do solemn